Metallic nanostructures can support the strongly confined interface waves:surface plasmon polaritons(SPPs).SPPs have recently been used in a variety of applications due to their abilities to guide light in the scale o...Metallic nanostructures can support the strongly confined interface waves:surface plasmon polaritons(SPPs).SPPs have recently been used in a variety of applications due to their abilities to guide light in the scale of na-nometer.Whereas,intrinsic weak optical nonlinearities and short propagation lengths of SPPs hinder their applica-tions in novel active plasmonic devices.One promising solution is to couple SPPs to nonlinear optical resonances,such as excitons(Xs)in molecular or semiconducting nanostructures.Consequently,hybrid nanostructures containing J-aggregate molecules and metallic nanostructures have attracted considerable interest.In these systems,vacuum field fluctuations lead to a coherent ex-change of energy between ensembles of excitons and plasmons and the formation of new hybrid polariton states.Strong coupling between Xs and SPPs enables an efficient transfer of the strong optical nonlinearities of the excitonic emitters to the passive plasmonic nanostructures on the ultrashort time scale of femtosecond.展开更多
文摘Metallic nanostructures can support the strongly confined interface waves:surface plasmon polaritons(SPPs).SPPs have recently been used in a variety of applications due to their abilities to guide light in the scale of na-nometer.Whereas,intrinsic weak optical nonlinearities and short propagation lengths of SPPs hinder their applica-tions in novel active plasmonic devices.One promising solution is to couple SPPs to nonlinear optical resonances,such as excitons(Xs)in molecular or semiconducting nanostructures.Consequently,hybrid nanostructures containing J-aggregate molecules and metallic nanostructures have attracted considerable interest.In these systems,vacuum field fluctuations lead to a coherent ex-change of energy between ensembles of excitons and plasmons and the formation of new hybrid polariton states.Strong coupling between Xs and SPPs enables an efficient transfer of the strong optical nonlinearities of the excitonic emitters to the passive plasmonic nanostructures on the ultrashort time scale of femtosecond.
